Climate

 Climate

the weather conditions prevailing in an area in general or over a long period.

 

a region of the earth having specified climatic conditions

 

If you stand at the equator, the celestial poles (the points in the sky directly above the North and South poles) lie on the horizon. As you move northward, the northern celestial pole gradually rises above the horizon, so the sky is in effect tilted. The ancient Greeks called this tilt klima, literally “slope,” “inclination.” Because the angle is determined by your latitude, klima came to mean “latitude,” and the earth was divided into seven latitudinal regions, called klimata. The word came into modern European languages as clime or climate, and the weather of a region was also called climate.

 

Climate change is the variation in global or regional climates over time. It reflects changes in the variability or average state of the atmosphere over time scales ranging from decades to millions of years. These changes can be caused by processes internal to the Earth, external forces (e.g. variations in sunlight intensity) "Cycle of the Sun"


 

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